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8

8.0

  Setup 

8.1

  Fastening sander to supporting 

surface 

During operation, the sander may have a tendency 
to slide or move about on the bench or table. It is 
recommended that the sander be fastened to the 
bench or table. Two holes are supplied in the 
sander base plate for easy mounting.  

8.2

  Dust chutes 

The sander has two 1-1/4 inch diameter dust 
chutes (see Figure 5). The disc sander chute is at 
the rear of sander under the disc sander table.  
The belt sander chute is in the cover on left side of 
sander. The chutes can be connected to a vacuum 
system to collect dust particles during use. 

 

Figure 5:  Dust chutes 

9.0

  Electrical connections 

The motor supplied with your sander is wired for 
operation at 115 Volts. IT MUST NEVER BE 
CONVERTED TO OPERATE AT 230 VOLTS! 

Before connecting motor cord to power source, 
make certain switch is in OFF position, and be sure 
that electric current is of same characteristics as 
stamped on motor nameplate. 

9.1

  Grounding instructions 

 The sander must be grounded 

while in use to protect operator from electric 
shock. Make sure that receptacle is properly 
grounded. If you are not sure receptacle is 
grounded, have a certified electrician check for 
proper grounding. 

In the event of a malfunction or breakdown, 
grounding provides a path of least resistance for 
electric current to reduce the risk of electric shock. 
This tool is equipped with an electric cord having 
an equipment-grounding conductor and a 

grounding plug. The plug must be plugged into a 
matching outlet that is properly installed and 
grounded in accordance with all local codes and 
ordinances. 

Do not modify the plug provided—if it will not fit 
have a new outlet installed by a qualified 
electrician. 

Improper connection of the equipment-grounding 
conductor can result in risk of electric shock. The 
conductor with insulation having an outer surface 
that is green with or without yellow stripes is the 
equipment grounding conductor. If repair or 
replacement of the electric cord or plug is 
necessary do not connect the equipment 
grounding conductor to a live terminal. 

Check with a qualified electrician or service 
personnel if the grounding instructions are not 
completely understood, or if in doubt as to whether 
the tool is properly grounded. Use only 3-wire 
extension cords that have 3-prong grounding type 
plugs and 3-hole receptacles that accept the plug, 
as shown in Figure 6. 

 

Figure 6:  Grounded plug in grounded receptacle 

Repair or replace damaged or worn cord 
immediately. 

This tool is intended for use on a circuit that has an 
outlet and a plug that looks like the one shown in 
Figure 6. 

A temporary adapter, which looks like the adapter 
illustrated in Figure 7, may be used to connect this 
plug to a 2-pole receptacle, as shown in Figure 7, if 
a properly grounded outlet is not available. 

 

Figure 7:  Grounded adaptor connection 

Summary of Contents for J-4002

Page 1: ...ns and Parts Manual Belt and Disc Sander 1x42 belt 8 disc Model J 4002 JET 427 New Sanford Road Part No M 577003 LaVergne Tennessee 37086 Revision B 04 2015 Ph 800 274 6848 ECR TW0134 www jettools com...

Page 2: ...as Authorized Service Centers located throughout the United States For the name of an Authorized Service Center in your area call 1 800 274 6846 or use the Service Center Locator on the JET website Mo...

Page 3: ...ting surface 8 8 2 Dust chutes 8 9 0 Electrical connections 8 9 1 Grounding instructions 8 10 0 Adjustments 9 10 1 Sanding belt tracking 9 10 2 Platen 9 10 3 Belt table adjustments 9 10 4 Disc table a...

Page 4: ...nings 1 Always wear protective eye wear when operating machinery Eye wear shall be impact resistant protective safety glasses with side shields which comply with ANSI Z87 1 specifications Use of eye w...

Page 5: ...int Crystalline silica from bricks cement and other masonry products Arsenic and chromium from chemically treated lumber Your risk of exposure varies depending on how often you do this type of work To...

Page 6: ...ual This manual is provided by JET covering the safe operation and maintenance procedures for the J 4002 Belt Disc Sander This manual contains instructions on installation safety precautions general o...

Page 7: ...ce 2 The sanding disc table is secured with two cap screws and nuts A hex wrench is required to tighten the screws 3 Set table on rounded pockets in support casting see Figure 1 Install nuts in channe...

Page 8: ...e the risk of electric shock This tool is equipped with an electric cord having an equipment grounding conductor and a grounding plug The plug must be plugged into a matching outlet that is properly i...

Page 9: ...n be tilted or moved in or out to accommodate the operation being performed Loosen locking handle to change position of table Move table to desired position and tighten locking handle NOTE The locking...

Page 10: ...6 inch gap between table and disc This can be accomplished by moving sanding disc in or out on motor shaft see Figure 16 Use T handle type hex wrench Put the wrench through the hole in top of disc gua...

Page 11: ...2 Install disc plate on shaft Position disc so that the face of disc with the attached abrasive protrudes slightly more than the edge of upper disc guard Figure 22 Disc installation 9 Tighten setscrew...

Page 12: ...serting switch tab Figure 9 Switch locking tab 12 0 Typical operations The following are just some of the many operations that can be performed with your JET Sander Sharpening a wood chisel on the san...

Page 13: ...he sanding belt see Figure 28 NOTE Most polishing operations are performed with the platen removed Figure 28 Polishing using a felt belt Sanding in tight areas with the sanding belt see Figure 29 Figu...

Page 14: ...ble when you call will allow us to serve you quickly and accurately 13 1 1 J 4002 Belt Parts Exploded View 13 1 2 J 4002 Belt Parts Parts List Index No Part No Description Size Qty 1 5640031 Hex Socke...

Page 15: ...g 6202ZZ 1 33 5640371 Idler 1 34 5640491 Retaining Ring 1 35 TS 1523011 Hex Socket Set Screw M6x6 1 36 5640521 Drive Wheel 1 37 5640101 Sanding Belt 50 Grit 5640111 Sanding Belt 80 Grit 5640121 Sandin...

Page 16: ...16 13 2 1 J 4002 Disc Parts Exploded View...

Page 17: ...anding Disc 120 Grit 100 5640871 Disc Plate 1 101 TS 1523011 Socket Set Screw M6x6 1 102 5640881 Screw 1 103 5640561 Rotation Label 1 106 5640921 Pulley Cover Belt Disc 1 107 5640931 V Belt 1 5640941...

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Page 20: ...20 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www jetttools com...

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